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US HR5894

US HR5894
RESTRAIN Act Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act


summary

Introduced
10/31/2025
In Committee
10/31/2025
Crossed Over
Passed
Dead

Introduced Session

119th Congress

Bill Summary

A BILL To amend the Atomic Energy Defense Act to prohibit explosive testing of nuclear weapons conducted by the United States, and for other purposes.

AI Summary

This bill, known as the RESTRAIN Act (Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act), aims to prohibit the United States from conducting explosive testing of nuclear weapons. Specifically, the bill amends the Atomic Energy Defense Act to ban any explosive nuclear weapon testing or nuclear explosions, and it restricts the use of funds for fiscal year 2026 and beyond from being used for such purposes. The bill does, however, include an important exception for subcritical nuclear tests, which are defined as nuclear tests involving fissile materials that cannot sustain an explosive nuclear chain reaction. This means that while full-scale nuclear weapon explosions would be prohibited, smaller scientific tests that do not create a sustained nuclear reaction would still be permitted. The bill represents an effort to limit nuclear weapons testing and potentially support global nuclear arms control initiatives by preventing the United States from conducting explosive nuclear tests.

Committee Categories

Military Affairs and Security

Sponsors (24)

Last Action

Sponsor introductory remarks on measure. (CR H4779-4780) (on 11/19/2025)

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